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/**************************************************************************
*
* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
**************************************************************************/
#include "i915_context.h"
#include "imports.h"
#include "intel_tex.h"
#include "intel_tris.h"
#include "tnl/t_context.h"
#include "tnl/t_pipeline.h"
#include "tnl/t_vertex.h"
#include "swrast/swrast.h"
#include "swrast_setup/swrast_setup.h"
#include "tnl/tnl.h"
#include "array_cache/acache.h"
#include "utils.h"
#include "i915_reg.h"
/***************************************
* Mesa's Driver Functions
***************************************/
static const char * const card_extensions[] =
{
"GL_ARB_fragment_program",
"GL_ARB_texture_cube_map",
"GL_EXT_blend_equation_separate",
"GL_ATI_blend_equation_separate",
"GL_ARB_point_parameters",
NULL
};
/* Override intel default.
*/
static void i915InvalidateState( GLcontext *ctx, GLuint new_state )
{
_swrast_InvalidateState( ctx, new_state );
_swsetup_InvalidateState( ctx, new_state );
_ac_InvalidateState( ctx, new_state );
_tnl_InvalidateState( ctx, new_state );
_tnl_invalidate_vertex_state( ctx, new_state );
INTEL_CONTEXT(ctx)->NewGLState |= new_state;
/* Todo: gather state values under which tracked parameters become
* invalidated, add callbacks for things like
* ProgramLocalParameters, etc.
*/
{
struct i915_fragment_program *p =
(struct i915_fragment_program *)ctx->FragmentProgram.Current;
if (p->nr_params)
p->params_uptodate = 0;
}
}
/* This is the extension list explicitly enabled by the client and
* excludes functionality available in Mesa and also excludes legacy
* extensions. It is recognized that in an open source driver, those
* extensions will probably be re-enabled.
*/
static const GLubyte *i915GetString( GLcontext *ctx, GLenum name )
{
if (name == GL_EXTENSIONS)
return
"GL_ARB_fragment_program "
"GL_ARB_multitexture "
"GL_ARB_point_parameters "
"GL_ARB_texture_border_clamp "
"GL_ARB_texture_compression "
"GL_ARB_texture_cube_map "
"GL_ARB_texture_env_add "
"GL_ARB_texture_env_combine "
"GL_ARB_texture_env_dot3 "
"GL_ARB_texture_mirrored_repeat "
"GL_ARB_transpose_matrix "
"GL_ARB_vertex_buffer_object "
"GL_ARB_vertex_program "
"GL_ARB_window_pos "
"GL_EXT_abgr "
"GL_EXT_bgra "
"GL_EXT_blend_color "
"GL_EXT_blend_func_separate "
"GL_EXT_blend_minmax "
"GL_EXT_blend_subtract "
"GL_EXT_clip_volume_hint "
"GL_EXT_compiled_vertex_array "
"GL_EXT_draw_range_elements "
"GL_EXT_fog_coord "
"GL_EXT_multi_draw_arrays "
"GL_EXT_packed_pixels "
"GL_EXT_rescale_normal "
"GL_EXT_secondary_color "
"GL_EXT_separate_specular_color "
"GL_EXT_stencil_wrap "
"GL_EXT_texture3D "
"GL_EXT_texture_env_add "
"GL_EXT_texture_env_combine "
"GL_EXT_texture_filter_anisotropic "
"GL_IBM_texture_mirrored_repeat "
"GL_MESA_ycbcr_texture "
"GL_MESA_window_pos "
"GL_NV_texgen_reflection "
"GL_SGIS_generate_mipmap";
return intelGetString( ctx, name );
}
static void i915InitDriverFunctions( struct dd_function_table *functions )
{
intelInitDriverFunctions( functions );
i915InitStateFunctions( functions );
i915InitTextureFuncs( functions );
i915InitFragProgFuncs( functions );
functions->UpdateState = i915InvalidateState;
functions->GetString = i915GetString;
}
GLboolean i915CreateContext( const __GLcontextModes *mesaVis,
__DRIcontextPrivate *driContextPriv,
void *sharedContextPrivate)
{
struct dd_function_table functions;
i915ContextPtr i915 = (i915ContextPtr) CALLOC_STRUCT(i915_context);
intelContextPtr intel = &i915->intel;
GLcontext *ctx = &intel->ctx;
if (!i915) return GL_FALSE;
i915InitVtbl( i915 );
i915InitDriverFunctions( &functions );
if (!intelInitContext( intel, mesaVis, driContextPriv,
sharedContextPrivate, &functions )) {
FREE(i915);
return GL_FALSE;
}
ctx->Const.MaxTextureUnits = I915_TEX_UNITS;
ctx->Const.MaxTextureImageUnits = I915_TEX_UNITS;
ctx->Const.MaxTextureCoordUnits = I915_TEX_UNITS;
intel->nr_heaps = 1;
intel->texture_heaps[0] =
driCreateTextureHeap( 0, intel,
intel->intelScreen->textureSize,
12,
I830_NR_TEX_REGIONS,
intel->sarea->texList,
& intel->sarea->texAge,
& intel->swapped,
sizeof( struct i915_texture_object ),
(destroy_texture_object_t *)intelDestroyTexObj );
/* FIXME: driCalculateMaxTextureLevels assumes that mipmaps are tightly
* FIXME: packed, but they're not in Intel graphics hardware.
*/
ctx->Const.MaxTextureUnits = 1;
driCalculateMaxTextureLevels( intel->texture_heaps,
intel->nr_heaps,
&intel->ctx.Const,
4,
11, /* max 2D texture size is 2048x2048 */
8, /* 3D texture */
11, /* cube texture. */
0, /* max RECT. supported, but not enabled */
12,
GL_FALSE );
ctx->Const.MaxTextureUnits = I915_TEX_UNITS;
/* GL_ARB_fragment_program limits - don't think Mesa actually
* validates programs against these, and in any case one ARB
* instruction can translate to more than one HW instruction, so
* we'll still have to check and fallback each time.
*/
ctx->Const.MaxFragmentProgramTemps = I915_MAX_TEMPORARY;
ctx->Const.MaxFragmentProgramAttribs = 11; /* 8 tex, 2 color, fog */
ctx->Const.MaxFragmentProgramLocalParams = I915_MAX_CONSTANT;
ctx->Const.MaxFragmentProgramEnvParams = I915_MAX_CONSTANT;
ctx->Const.MaxFragmentProgramAluInstructions = I915_MAX_ALU_INSN;
ctx->Const.MaxFragmentProgramTexInstructions = I915_MAX_TEX_INSN;
ctx->Const.MaxFragmentProgramInstructions = (I915_MAX_ALU_INSN +
I915_MAX_TEX_INSN);
ctx->Const.MaxFragmentProgramTexIndirections = I915_MAX_TEX_INDIRECT;
ctx->Const.MaxFragmentProgramAddressRegs = 0; /* I don't think we have one */
driInitExtensions( ctx, card_extensions, GL_FALSE );
_tnl_init_vertices( ctx, ctx->Const.MaxArrayLockSize + 12,
36 * sizeof(GLfloat) );
intel->verts = TNL_CONTEXT(ctx)->clipspace.vertex_buf;
i915InitState( i915 );
return GL_TRUE;
}
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